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<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.

Use of this source code is governed by the Apache License, Version 2.0.
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<title>Closure Unit Tests - goog.ds.JsXmlHttpDataSource</title>
<script src="../base.js"></script>
<script>
  goog.require('goog.ds.JsXmlHttpDataSource');
  goog.require('goog.testing.net.XhrIo');
  goog.require('goog.testing.jsunit');
  goog.require('goog.testing.TestQueue');
</script>
<script>

  var TEXT_PREFIX = null;
  var TEXT_POSTFIX = null;

  var INDEX_OF_URI_ENTRY = 1;
  var INDEX_OF_CONTENT_ENTRY = 3;

  function setUp() {
  };

  function tearDown() {
  };

  function testLoad_WithPostAndQueryDataSet() {

    var USE_POST = true;
    var dataSource =
      new goog.ds.JsXmlHttpDataSource("uri", "namne", TEXT_PREFIX, TEXT_POSTFIX, USE_POST);

    var testQueue = new goog.testing.TestQueue();
    dataSource.xhr_ = new goog.testing.net.XhrIo(testQueue);

    var expectedContent = "Some test content";
    dataSource.setQueryData(expectedContent);
    dataSource.load();

    assertFalse(testQueue.isEmpty());

    var actualRequest = testQueue.dequeue();
    assertEquals(expectedContent, actualRequest[INDEX_OF_CONTENT_ENTRY]);
    assertTrue(testQueue.isEmpty());
  };

  function testLoad_WithPostAndNoQueryDataSet() {

    var USE_POST = true;
    var dataSource =
      new goog.ds.JsXmlHttpDataSource("uri?a=1&b=2", "namne", TEXT_PREFIX, TEXT_POSTFIX, USE_POST);

    var testQueue = new goog.testing.TestQueue();
    dataSource.xhr_ = new goog.testing.net.XhrIo(testQueue);

    dataSource.load();

    assertFalse(testQueue.isEmpty());

    var actualRequest = testQueue.dequeue();
    assertEquals("a=1&b=2", actualRequest[INDEX_OF_CONTENT_ENTRY].toString());
    assertTrue(testQueue.isEmpty());
  };

  function testLoad_WithGet() {

    var USE_GET = false;
    var expectedUri = "uri?a=1&b=2";
    var dataSource =
      new goog.ds.JsXmlHttpDataSource(expectedUri, "namne", TEXT_PREFIX, TEXT_POSTFIX, USE_GET);

    var testQueue = new goog.testing.TestQueue();
    dataSource.xhr_ = new goog.testing.net.XhrIo(testQueue);

    dataSource.load();

    assertFalse(testQueue.isEmpty());

    var actualRequest = testQueue.dequeue();
    assertEquals(expectedUri, actualRequest[INDEX_OF_URI_ENTRY].toString());
    assertTrue(testQueue.isEmpty());
  };

</script>
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